X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Small Tubes
pH 6.7
Temperature 298.0
Details potassium phosphate, pH 6.7, SMALL TUBES, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.27 α = 90
b = 53.27 β = 90
c = 190.78 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 Si(III) mirrors 2000-11-29
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL44B2 0.7 SPRING-8 BL44B2

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.25 25 100.0 0.061 -- -- 7.6 76777 76777 0.0 0.0 20.0
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.25 1.32 100.0 0.533 -- 1.4 6.9 11035

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.25 25.0 0.0 0.0 72937 72937 3837 94.5 0.163 -- 0.1632 0.2143 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.072
s_similar_adp_cmpnt 0.044
s_rigid_bond_adp_cmpnt 0.004
s_anti_bump_dis_restr 0.015
s_non_zero_chiral_vol 0.064
s_zero_chiral_vol 0.057
s_from_restr_planes 0.0236
s_similar_dist 0.0
s_angle_d 0.027
s_bond_d 0.011
Coordinate Error
Parameter Value
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 2606.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2192
Nucleic Acid Atoms 0
Heterogen Atoms 90
Solvent Atoms 325

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
X-PLOR Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
X-PLOR model building